A Photochemically Driven Molecular Machine

Roberto Ballardini*, Vincenzo Balzani, Maria Teresa Gandolfi, Luca Prodi, Margherita Venturi, Douglas Philp, Howard G. Ricketts, J. Fraser Stoddart

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

223 Scopus citations

Abstract

The unthreading and rethreading of pseudorotaxane 1, which contains two p‐phenylene spacers linking two bipyridinium units and a central 1, 5‐naphthalenediyl unit, is reversible when an initially oxygen‐free solution of 1 in water also containing 9‐anthracenecarboxylic acid as a photosensitizes and triethanolamine as a “sacrificial” reluctant is irradiated and then aerated. The absorption and emission spectra of the solution provide conclusive evidence. (Figure Presented.)

Original languageEnglish (US)
Pages (from-to)1301-1303
Number of pages3
JournalAngewandte Chemie International Edition in English
Volume32
Issue number9
DOIs
StatePublished - Sep 1993

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry

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